Source : Webster's Revised Unabridged Dictionary (1913)

Campanularian \Cam*pan`u*la"ri*an\, n. [L. campanula a bell.]
   (Zo["o]l.)
   A hydroid of the family {ampanularid[ae]}, characterized by
   having the polyps or zooids inclosed in bell-shaped calicles
   or hydrothec[ae].